EOS -- A Software for Flavor Physics Phenomenology

Abstract

EOS is an open-source software for a variety of computational tasks in flavor physics. Its use cases include theory predictions within and beyond the Standard Model of particle physics, Bayesian inference of theory parameters from experimental and theoretical likelihoods, and simulation of pseudo events for a number of signal processes. EOS ensures high-performance computations through a C++ back-end and ease of usability through a Python front-end. To achieve this flexibility, EOS enables the user to select from a variety of implementations of the relevant decay processes and hadronic matrix elements at run time. In this article, we describe the general structure of the software framework and provide basic examples. Further details and in-depth interactive examples are provided as part of the EOS online documentation.

arXiv comment32 pages, 8 figures, 4 ancillary Jupyter example notebooks

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• The cost of an ALP solution to the neutral $B$-anomalies
• Computing Tools for Effective Field Theories
• Determination of short- and long-distance contributions in $B^0\to K^{\ast 0}{\mu }^{+}{\mu }^{-}$ decays
• Toward a complete description of $b\to u{\ell }^{-}\bar{\nu }$ decays within the Weak Effective Theory
• Constraining $|V_{cs}|$ and physics beyond the Standard Model from exclusive (semi)leptonic charm decays
• Constructing model-agnostic likelihoods, a method for the reinterpretation of particle physics results
• A Simple Parametrisation of the Pion Form Factor
• New physics contributions to moments of inclusive $b\to c$ semileptonic decays
• On the two-loop penguin contributions to the Anomalous Dimensions of four-quark operators
• Collider-Flavour Complementarity from the bottom to the top
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• Impact on $L$-observables of a new combined analysis of $B_{d,s}\to K^{(\ast )}$ form factors
• Towards a Global Analysis of the $b\to c\bar{u}q$ Puzzle
• Angular analysis of $B^0\to K^{\ast 0}{e}^{+}{e}^{-}$ decays
• ${\Xi }_b\to \Xi$ form factors from lattice QCD and Standard-Model predictions for ${\Xi }_b\to \Xi {\mu }^{+}{\mu }^{-}$ and ${\Xi }_b\to \Xi \gamma$ decays
• Probing Lepton Flavour Universality with ${\Lambda }_b$ decays to ${\tau }^{+}{\tau }^{-}$ final states
• Joint LHCb--Belle II Prospects to Constrain New Physics in $B\to D^{(\ast )}\tau \nu$
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• Global Determination of $|V_{us}|$
• EOS -- A Software for Flavor Physics Phenomenology
• Determination of $B$-meson distribution amplitudes from $B\to \pi ,K,D$ transition form factors
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